package cn.collection;

import java.util.*;

/**
 * @author: lizemin
 * @version: 1.0
 */
public class Test {
    //这是一个main方法,是程序的入口
    public static void main(String[] args) {
        HashMap<String, Integer> stringIntegerHashMap = new HashMap<>();
        ArrayList<Integer> integers = new ArrayList<>();
        HashSet<Integer> objects = new HashSet<>();
        TreeSet<Integer> integers1 = new TreeSet<>();
        LinkedHashSet<String> strings = new LinkedHashSet<>();
        LinkedList<String> strings1 = new LinkedList<>();
        LinkedHashMap<String, String> stringStringLinkedHashMap = new LinkedHashMap<>();


    }
}
